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Modulated water flow for once-through adiabatic cooling

a technology of adiabatic cooling and water flow, which is applied in the direction of domestic cooling apparatus, lighting and heating apparatus, heating types, etc. it can solve the problems of waste of water not evaporated from the air, low high flush water exit flow rate from the panel, so as to reduce the amount of spray water and reduce the flow ra

Inactive Publication Date: 2018-08-16
EVAPCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is about a way to cool down air by spraying water into it. One way to do this is by using a direct nozzle system, which saves water and eliminates the need for a collection tray. If there is too much excess water, a sensor can detect it and the valve can partially close to reduce the amount of water sprayed. This invention could be used in a panel system without wasting water.

Problems solved by technology

If insufficient water is being fed, the flush water exit flow rate from the panels will be too low; if excess water is being fed to the panels, the flush water exit flow rate from the panels will be too high.
In the case of a direct nozzle system, no excess water is needed to flush pads, and any water not evaporated from the air is wasted.

Method used

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  • Modulated water flow for once-through adiabatic cooling
  • Modulated water flow for once-through adiabatic cooling
  • Modulated water flow for once-through adiabatic cooling

Examples

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Embodiment Construction

[0022]An example of a V-shaped cooler is shown in FIGS. 1 and 2. A frame supports two coil bundles each comprising a plurality of horizontally arranged finned tubes in a V-shaped configuration. At one end of each tube bundle, the tubes are connected at an inlet end to an inlet header and to an outlet header. At an opposite end of each bundle, each horizontal tube is connected to an adjacent horizontal tube via a return bend. A hot process fluid enters the inlet header via an inlet header connection and is then distributed to the tubes from the inlet header. Cooled fluid exits the tubes via an outlet header and returned to the process / system that headed the fluid. The frame supports a plurality of fans at the top of the cooler and draws ambient air into the unit past the tubes and the fins and out the top of the unit.

[0023]The principles of operation of a V-shaped air-cooled heat exchanger of the type shown in FIGS. 1 and 2 is shown in FIG. 3. Hot process fluid, shown in red, enters ...

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PUM

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Abstract

A once-through dry adiabatic cooler having a water distribution system, a waste water sensor, and a controller, where the amount of waste water, if any, is detected, and the amount of water distributed to an air flow path adjacent to the coils of said cooler is adjusted so that the amount of water detected is as close to zero as possible, or, in the case of the use of adiabatic pads that require flushing, only the amount of water necessary to flush salt and other minerals from said pads.

Description

BACKGROUND OF THE INVENTIONField of the Invention[0001]The present invention relates to air cooled heat exchanges with adiabatic pads.Description of the Background[0002]Air-cooled heat exchangers remove heat from a working fluid by transferring that heat to the air. Air-cooled heat exchangers typically consist of tubes connected to fins. The working fluid is sent through the inside of the tubes and the heat is conducted to the outside of the tubes and the fins. Air passing over the fins and tubes removes this heat; one or more fans are generally used to move the air. The working fluid can be a liquid, a gas, a condensing refrigerant, or any other fluid that needs to have heat removed. The tubes are typically constructed of copper, aluminum, or stainless steel but other metals and non-metals have been used. Fins are typically made from copper or aluminum but other thermally conductive materials have been used.[0003]For heat to be removed from the working fluid, the temperature of the...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F24F5/00F28D1/02F28D1/053F28F27/00F28F13/00
CPCF24F5/0035F28D1/024F28D1/053F28F27/00F28F13/00F28B5/00F28B11/00F25D7/00
Inventor VADDER, DAVEY J.BYRNE, TOM
Owner EVAPCO